diff options
Diffstat (limited to 'library/Smarty/libs/plugins/function.math.php')
| -rw-r--r-- | library/Smarty/libs/plugins/function.math.php | 54 |
1 files changed, 29 insertions, 25 deletions
diff --git a/library/Smarty/libs/plugins/function.math.php b/library/Smarty/libs/plugins/function.math.php index f4d3f05ee..aba76e825 100644 --- a/library/Smarty/libs/plugins/function.math.php +++ b/library/Smarty/libs/plugins/function.math.php @@ -1,87 +1,91 @@ <?php /** * Smarty plugin - * * This plugin is only for Smarty2 BC - * @package Smarty + * + * @package Smarty * @subpackage PluginsFunction */ /** * Smarty {math} function plugin - * * Type: function<br> * Name: math<br> * Purpose: handle math computations in template * - * @link http://www.smarty.net/manual/en/language.function.math.php {math} - * (Smarty online manual) + * @link http://www.smarty.net/manual/en/language.function.math.php {math} + * (Smarty online manual) * @author Monte Ohrt <monte at ohrt dot com> + * * @param array $params parameters * @param Smarty_Internal_Template $template template object + * * @return string|null */ function smarty_function_math($params, $template) { static $_allowed_funcs = array( - 'int' => true, 'abs' => true, 'ceil' => true, 'cos' => true, 'exp' => true, 'floor' => true, - 'log' => true, 'log10' => true, 'max' => true, 'min' => true, 'pi' => true, 'pow' => true, - 'rand' => true, 'round' => true, 'sin' => true, 'sqrt' => true, 'srand' => true ,'tan' => true + 'int' => true, 'abs' => true, 'ceil' => true, 'cos' => true, 'exp' => true, 'floor' => true, + 'log' => true, 'log10' => true, 'max' => true, 'min' => true, 'pi' => true, 'pow' => true, + 'rand' => true, 'round' => true, 'sin' => true, 'sqrt' => true, 'srand' => true, 'tan' => true ); // be sure equation parameter is present if (empty($params['equation'])) { - trigger_error("math: missing equation parameter",E_USER_WARNING); + trigger_error("math: missing equation parameter", E_USER_WARNING); + return; } $equation = $params['equation']; // make sure parenthesis are balanced - if (substr_count($equation,"(") != substr_count($equation,")")) { - trigger_error("math: unbalanced parenthesis",E_USER_WARNING); + if (substr_count($equation, "(") != substr_count($equation, ")")) { + trigger_error("math: unbalanced parenthesis", E_USER_WARNING); + return; } // match all vars in equation, make sure all are passed - preg_match_all("!(?:0x[a-fA-F0-9]+)|([a-zA-Z][a-zA-Z0-9_]*)!",$equation, $match); + preg_match_all("!(?:0x[a-fA-F0-9]+)|([a-zA-Z][a-zA-Z0-9_]*)!", $equation, $match); - foreach($match[1] as $curr_var) { + foreach ($match[1] as $curr_var) { if ($curr_var && !isset($params[$curr_var]) && !isset($_allowed_funcs[$curr_var])) { - trigger_error("math: function call $curr_var not allowed",E_USER_WARNING); + trigger_error("math: function call $curr_var not allowed", E_USER_WARNING); + return; } } - foreach($params as $key => $val) { + foreach ($params as $key => $val) { if ($key != "equation" && $key != "format" && $key != "assign") { // make sure value is not empty - if (strlen($val)==0) { - trigger_error("math: parameter $key is empty",E_USER_WARNING); + if (strlen($val) == 0) { + trigger_error("math: parameter $key is empty", E_USER_WARNING); + return; } if (!is_numeric($val)) { - trigger_error("math: parameter $key: is not numeric",E_USER_WARNING); + trigger_error("math: parameter $key: is not numeric", E_USER_WARNING); + return; } $equation = preg_replace("/\b$key\b/", " \$params['$key'] ", $equation); } } $smarty_math_result = null; - eval("\$smarty_math_result = ".$equation.";"); + eval("\$smarty_math_result = " . $equation . ";"); if (empty($params['format'])) { if (empty($params['assign'])) { return $smarty_math_result; } else { - $template->assign($params['assign'],$smarty_math_result); + $template->assign($params['assign'], $smarty_math_result); } } else { - if (empty($params['assign'])){ - printf($params['format'],$smarty_math_result); + if (empty($params['assign'])) { + printf($params['format'], $smarty_math_result); } else { - $template->assign($params['assign'],sprintf($params['format'],$smarty_math_result)); + $template->assign($params['assign'], sprintf($params['format'], $smarty_math_result)); } } } - -?>
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